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Update README.md

Previous commit also fixes TJTAG version typo. Current commit adds a bottom view photo and adds some detail regarding the jumpers on the prototype circuit.

Clarissa Walker authored on 2023/06/08 23:28:54 • GitHub committed on 2023/06/08 23:28:54
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@@ -4,5 +4,13 @@ This is also my first time using vias on a PCB layout!
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 The circuit was tested with a 74HC244 IC and TJTAG 3.0.1 and 3.0.2.1 on a few machines with success barring issues with using one 74HC244; replacing it with another 74HC244 from the same set fixed the recognition issue. This is why a 74HCT244 is recommended with this circuit.
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-The circuit on a perfboard - prototype unit before the PCB design
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+This same circuit on a perfboard - prototype unit before the final PCB design... photos aren't as clear; my long retired LG G7 ThinQ was better for this.
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+Also, the jumpers for switching 3V3/5V0 exist because I do not have a DPDT switch on hand.
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+Top view
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 ![IMG_20230608_184524307~2](https://github.com/AmiSapphire/jtag-wiggler/assets/103345205/48d1f891-af2e-4ab9-b33d-1e8b68564dab)
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+Bottom view
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+![IMG_20230608_221627281~2](https://github.com/AmiSapphire/jtag-wiggler/assets/103345205/f6b6edf8-1dbf-433c-84ba-23ddd86b504f)